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Re: pg_stat_statements cluttered with "DEALLOCATE dbdpg_p*" - Mailing list pgsql-hackers

From Andres Freund
Subject Re: pg_stat_statements cluttered with "DEALLOCATE dbdpg_p*"
Date
Msg-id 20140720120620.GD24864@alap3.anarazel.de
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In response to Re: pg_stat_statements cluttered with "DEALLOCATE dbdpg_p*"  (Andres Freund <andres@2ndquadrant.com>)
Responses Re: pg_stat_statements cluttered with "DEALLOCATE dbdpg_p*"  (Marko Tiikkaja <marko@joh.to>)
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On 2014-07-20 13:54:01 +0200, Andres Freund wrote:
> Hi,
> 
> On 2014-04-01 16:45:29 +0200, Fabien COELHO wrote:
> > I noticed that my pg_stat_statements is cluttered with hundreds of entries
> > like "DEALLOCATE dbdpg_p123456_7", occuring each only once.
> 
> Why isn't the driver using the extended query protocol? Sending
> PREPARE/EXECUTE/DEALLOCATE wastes roundtrips...

Hm. It's probably because libqp doesn't expose sending Close message for
prepared statements :(. No idea why.

Greetings,

Andres Freund

-- Andres Freund                       http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training &
Services

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